Drip chamber cap



FIG. 1 is a perspective view of a drip chamber cap showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an end elevational view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a drip chamber cap, as shown and described. 